Sailors assigned to USS Constitution perform a 17th

Sailors assigned to USS Constitution perform a 17th century boarding pike drill at the 2011 Sunset Parade at the Charlestown Navy Yard during Boston Harborfest. Harborfest is a six-day Fourth of July festival that showcases Boston's Colonial and maritime heritage. The festival strives to honor and remember the past, celebrate the present, and educate the future with reenactments, concerts and historical tours. (U.S. Navy photo by Seaman Shannon Heavin)